/* 定义主div，宽度为800像素，居中显示 */
.main{
    width:900px;
    margin: 0px auto;
}

.one{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    justify-content: center;
    width: 800px;
    padding: 60px;
    box-sizing: border-box;
    box-shadow: 0 15px 25px rgba(85, 255, 0, 0.5);
    border-radius: 20px;
	background-image: url(../img/3.jpg);
}

body{
	background-image: url(../img/草地.jpg);
	background-size: 100%;	
}

h1{
	font-size: 50px;
}

/* 定义发表留言区域 */
.add{
    overflow: hidden;  /* 清除浮动带来的影响 */
}
.add .content{
    width: 100%;
}
.add .user{
    float: left;
	height: 30px;
	
}
.add .btn{
	font-size: 20px;
	width: 80px;
	height: 40px;
    float: right;
	color: #008000;
	background-color: #00ff7f;
}

/* 定义查看留言区域的样式 */
.msg{
    background: yt#8bd0d0;
    margin: 5px 0px 5px 0px;
}
.msg .info{
    overflow: hidden;
}
.msg .info .user{
    float: left;
    color: green;
    margin: 5px 0 0 2px;
	font-weight: 700;
}
.msg .info .time{
    float: right;
    color: blue;
    margin: 5px 2px 0 0;
}
.msg .content{
    width: 100%;
    margin: 5px 0 5px 0px;
    padding: 0 0 5px 0;
}
.five{
	text-decoration: none;
	background-color: #4CAF50;
	color: #000000;
	font-size: 25px;
    border-radius: 20px;
}
